.earth-piece-container {
  position: relative;
  width: 100%;
  height: 100%;
  background: #f0f0f0;
  overflow: hidden;
}

.earth-piece-controls {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1000;
  display: flex;
  gap: 12px;
  align-items: center;
}

.back-button {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.back-button:hover {
  background: #1890ff;
  color: white;
  border-color: #1890ff;
}

.zoom-controls {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 6px;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.zoom-controls button {
  width: 32px;
  height: 32px;
  border: 1px solid #d9d9d9;
  background: white;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  transition: all 0.2s;
}

.zoom-controls button:hover {
  background: #1890ff;
  color: white;
  border-color: #1890ff;
}

.patrol-area-info {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 6px;
  padding: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  min-width: 200px;
}

.patrol-area-info h3 {
  margin: 0 0 8px 0;
  font-size: 16px;
  color: #333;
}

.coordinate-info {
  font-size: 12px;
  color: #666;
  line-height: 1.4;
}

.coordinate-info div {
  margin-bottom: 4px;
}

.earth-piece-canvas {
  width: 100%;
  height: 100%;
  display: block;
  background: #e6f7ff;
}
